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just reibschweissung

机译:只是瑞施威颂

摘要

A cooling channel piston for an internal combustion engine which includes a piston bottom and a piston shaft that are joined thereto of a friction welding process. The piston bottom and the piston shaft jointly form a cooling channel. An annular wall which radially delimits the cooling channel towards the outside is formed by the piston bottom and/or the piston shaft. The annular wall can be sealed by a welding process once the piston bottom and the piston shaft have been joined together.
机译:用于内燃发动机的冷却通道活塞,其包括通过摩擦焊接工艺接合到其上的活塞底部和活塞轴。活塞底部和活塞轴共同形成冷却通道。环形的壁由活塞底部和/或活塞轴形成,该环形的壁径向向外地限制冷却通道。一旦活塞底部和活塞轴已经连接在一起,就可以通过焊接工艺密封环形壁。

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